The multi-vehicle crash occurred at the intersection of Orangethorpe Avenue and State College Boulevard at approximately 4:40 p.m. on January 30, 2026.

Fullerton, CA – At least nine people were injured after a semi-truck crashed into six vehicles at a red light at an intersection in Fullerton near the Anaheim border on Friday afternoon, according to a police report.
The multi-vehicle crash occurred at the intersection of Orangethorpe Avenue and State College Boulevard at approximately 4:40 p.m. on January 30, 2026.
Witnesses reported that the semi-truck appeared to be swerving before the collision and may have been drifting across lanes before striking multiple vehicles at the intersection.
Reportedly, at least 9 people were injured in the crash. The semi-truck driver was transported to a hospital with injuries. Other individuals involved in the crash sustained minor injuries. Authorities confirmed that no fatalities occurred.
Based on witness observations, the truck’s erratic movement is believed to have contributed to the crash, though the exact cause has not been officially determined.
Emergency personnel responded to the scene to assist the injured, manage traffic, and begin the investigation into the collision.
The crash caused significant disruption in the area, forcing the closure of the intersection for cleanup and investigative efforts. An ARCO gas station sign at the intersection was also destroyed as a result of the crash.
Authorities continue to investigate the multi-vehicle crash to determine all contributing factors.
Safety Advice to Truck Drivers Following Multi-Vehicle Intersection Crashes
Incidents involving semi-trucks and multiple passenger vehicles highlight the critical responsibility truck drivers carry when operating large commercial vehicles, especially in busy urban intersections. Truckers are strongly advised to ensure they are well-rested before starting a trip, as fatigue can impair reaction time, lane control, and overall awareness. Recognizing early signs of drowsiness and pulling over to rest can prevent serious collisions.
Maintaining steady lane control and reducing speed when approaching intersections is essential, particularly in high-traffic areas where sudden stops are common. Drivers should remain alert, minimize distractions, and continuously scan for traffic signals, pedestrians, and surrounding vehicles.
Truckers are also encouraged to follow all hours-of-service regulations, perform pre-trip inspections, and seek medical evaluation if experiencing fatigue-related symptoms. Taking proactive steps to manage alertness and vehicle control can help protect not only the driver but everyone sharing the road.
Staying vigilant, well-rested, and cautious at intersections can significantly reduce the risk of multi-vehicle crashes and the injuries that often result from them.
If you or a loved one has been injured in a truck accident, it’s important to speak with an experienced personal injury attorney as soon as possible. An accident attorney will help protect your rights, guide you through the claims process, and ensure you pursue the compensation you deserve. Contact a trusted car accident lawyer today to discuss your legal options.
